tapiriik - Automatically synchronize your fitness activities between Garmin Connect, Runkeeper, Strava and more.
MyFitnessPal - Track the number of calories that you consume each day with MyFitnessPal. The app also lets you create a diet and track the exercise that you complete each day whether it's walking, running or some other type of program.
SyncMyTracks - Sync your activities of the most popular sports tracking services.
Lose it! - Snap a photo of your food to get nutritional facts
FitnessSyncer - Make Sense of Your Health and Fitness Data
Noom - Get life-long weight-loss results